Full Stack Developer

apeirum partners with European engineering companies to place senior software talent. For one of our client partners — an established engineering company in Barcelona — we're hiring a Full Stack Developer to build and evolve an internal simulation & visualization platform used in complex engineering design. You'll own front-end, back-end and data, and turn rich engineering data into intuitive, high-performance visual tools. Barcelona-based, full-time.
Tasks
Develop and maintain the front-end and back-end of the simulation & visualization platform.
Build interactive visualizations of system performance, data, and behavior.
Work with simulation, control and systems engineers to integrate engineering models.
Improve platform scalability, maintainability and user experience.
Contribute to architecture, code reviews and continuous improvement.
Support deployment, testing and documentation of new features.
Requirements
Must have:
Full-stack experience (TypeScript, Python, React, Node.js, or similar).
Strong front-end frameworks / modern UI development.
Back-end services, APIs and data handling.
Ability to build interactive data visualizations and intuitive UIs.
Proven delivery in a structured engineering environment; strong communicator.
Based in Spain (Barcelona).
Degree: Bachelor's or Master's in Computer Science, Software Engineering or a related field.
Languages: English (professional); Spanish/Catalan and German a plus.
Nice to have:
Domain knowledge in simulation, control engineering or robotics.
Scientific computing / simulation tools.
Cloud deployment, containerization or CI/CD.
2D/3D visualization libraries.
Benefits
Work on a technically meaningful platform at the intersection